.to_center {
    position: absolute;
    left: 50%;
    transform: translate(-50%);
}

.center-box {
    width: 400px;
    height: 600px;
    margin: 0 auto;
    background-color: aqua;
}

.header-box {
    position: relative;
    width: 100%;
    height: 80px;
    background-color: red;
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.header-box div {
    width: 50px;
    height: 50px;
    background-color: aqua;
}

.image-box {
    position: relative;
    width: 100%;
    height: 200px;
    background-color: blue;
}

.image-box-radio {
    position: absolute;
    top: 50px;
    left: 50%;
    transform: translate(-50%);
    width: 100px;
    height: 100px;
    border-radius: 100%;
    background-color: aquamarine;
}

.image-box-radio div:nth-of-type(1) {
    top: 20px;
    width: 40px;
    height: 40px;
    background-color: brown;
}

.image-box-radio div:nth-of-type(2) {
    top: 60px;
}

.input-box {
    position: relative;
    padding-left: 30px;
    width: 370;
    height: 200px;
    background-color: antiquewhite;
}

.input-box input {
    border: none;
    background-color: transparent;
    outline: none;
    border-bottom: 2px black solid;
    margin-bottom: 20px;
}

.button-box {
    position: relative;
    width: 100%;
}

.button-box button {
    position: absolute;
    top: 50px;
    left: 50%;
    margin-left: -50px;
    width: 100px;
    height: 40px;
    border-radius: 80px;
    display: block;
}